Phenotypes of tobacco plants expressing <i>p35S:UFO</i> and <i>p35S:UFO-VP16</i>.

<p>(A–C) 6 week-old tobacco plants of WT (A), <i>p35S:UFO</i> (B) and <i>p35S:UFO-VP16</i> at vegetative, bolting and flowering stages respectively. (D–H) <i>p35S:UFO</i> plant showing light green sepal-like (D) and pink petal-like (E) sectors in the vegetative leaves; flowers with spiral phyllotaxy of the sepal, petal and stamen whorls showing stamen [s], petal-stamen [pst], petal [p], petal-sepal [ps], sepal [s] and sepal-cauline leaf [sc] subtending a co-florescence [cf] (F–H); the flower in (F) shows a split corolla; the mature flower in (H) has shed its petals and stamens and shows a developing pod. (I) Wild type flower. (J) 8 week-old <i>p35S:UFO-VP16</i> showing abnormal leaves and early flowering. (K–M) Cross sections of a wild type leaf (K), a sepal (L), and a light green sector of a <i>p35S:UFO</i> vegetative leaf (M). The palisade (pm) and spongy (sm) mesophyll layers seen in the leaf are not present in the sepals and in the modified <i>p35S:UFO</i> leaf sectors. Bar = 0.1 mm.